Re: [PATCH] asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()

[Will Deacon]

On Thu, 16 Jul 2020 12:28:16 +0100, Will Deacon wrote:
> Although mmiowb() is concerned only with serialising MMIO writes occuring
> in contexts where a spinlock is held, the call to mmiowb_set_pending()
> from the MMIO write accessors can occur in preemptible contexts, such
> as during driver probe() functions where ordering between CPUs is not
> usually a concern, assuming that the task migration path provides the
> necessary ordering guarantees.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
      https://git.kernel.org/arm64/c/bd024e82e4cd

Cheers,
-- 
Will

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